"Woh Kaun Thi?" is a classic Hindi thriller film released in 1964, directed by Raj Khosla. The story revolves around a man named Vijay, who encounters a mysterious woman named Nisha during a stormy night. As he becomes intrigued by her, strange and eerie events unfold, leading to suspense and tension. The film features notable performances by Sadhana as Nisha and Manoj Kumar as Vijay. Its haunting music, composed by Laxmikant-Pyarelal, adds to the film's eerie atmosphere. "Woh Kaun Thi?" is remembered for its engaging plot and remains a significant work in the genre of Indian horror-thrillers.